Backing plate



FIG. 1 is a top perspective view of the backing plate showing our newdesign;

FIG. 2 is a bottom perspective view of the backing plate of FIG. 1;

FIG. 3 is a top view of the backing plate of FIG. 1;

FIG. 4 is an end view of the backing plate of FIG. 1; and,

FIG. 5 is a side view of the backing plate of FIG. 1.

The dash lines shown in the drawings are for illustrative purposes onlyand form no part of the claimed design.

The ornamental design for a backing plate, as shown and described.